CN109267346A - A kind of anti-pollution, the preparation method for sterilizing MODIFIED PP non-woven fabrics - Google Patents
A kind of anti-pollution, the preparation method for sterilizing MODIFIED PP non-woven fabrics Download PDFInfo
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- CN109267346A CN109267346A CN201810938391.XA CN201810938391A CN109267346A CN 109267346 A CN109267346 A CN 109267346A CN 201810938391 A CN201810938391 A CN 201810938391A CN 109267346 A CN109267346 A CN 109267346A
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- 239000004745 nonwoven fabric Substances 0.000 title claims abstract description 75
- 230000001954 sterilising effect Effects 0.000 title claims abstract description 22
- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 22
- 238000000034 method Methods 0.000 claims abstract description 11
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 9
- 239000004744 fabric Substances 0.000 claims description 32
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 31
- 239000000243 solution Substances 0.000 claims description 31
- VYFYYTLLBUKUHU-UHFFFAOYSA-N dopamine Chemical compound NCCC1=CC=C(O)C(O)=C1 VYFYYTLLBUKUHU-UHFFFAOYSA-N 0.000 claims description 30
- 239000012530 fluid Substances 0.000 claims description 21
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 claims description 20
- 239000011630 iodine Substances 0.000 claims description 20
- 229910052740 iodine Inorganic materials 0.000 claims description 20
- 229920000036 polyvinylpyrrolidone Polymers 0.000 claims description 18
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 claims description 18
- 239000001267 polyvinylpyrrolidone Substances 0.000 claims description 18
- 230000003115 biocidal effect Effects 0.000 claims description 16
- 238000007598 dipping method Methods 0.000 claims description 15
- 229960003638 dopamine Drugs 0.000 claims description 15
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 14
- 239000008367 deionised water Substances 0.000 claims description 14
- 229910021641 deionized water Inorganic materials 0.000 claims description 14
- 229920001223 polyethylene glycol Polymers 0.000 claims description 13
- 235000019441 ethanol Nutrition 0.000 claims description 12
- 239000002202 Polyethylene glycol Substances 0.000 claims description 11
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 10
- 239000007853 buffer solution Substances 0.000 claims description 10
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 claims description 10
- 239000004599 antimicrobial Substances 0.000 claims description 9
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 claims description 8
- 238000001035 drying Methods 0.000 claims description 8
- 239000003242 anti bacterial agent Substances 0.000 claims description 7
- PNDPGZBMCMUPRI-UHFFFAOYSA-N iodine Chemical compound II PNDPGZBMCMUPRI-UHFFFAOYSA-N 0.000 claims description 7
- 239000000872 buffer Substances 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 5
- 239000012535 impurity Substances 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 229920001296 polysiloxane Polymers 0.000 claims description 5
- 150000003242 quaternary ammonium salts Chemical class 0.000 claims description 5
- 238000005096 rolling process Methods 0.000 claims description 5
- 238000002791 soaking Methods 0.000 claims description 5
- 239000002904 solvent Substances 0.000 claims description 5
- 238000003860 storage Methods 0.000 claims description 5
- LENZDBCJOHFCAS-UHFFFAOYSA-N tris Chemical compound OCC(N)(CO)CO LENZDBCJOHFCAS-UHFFFAOYSA-N 0.000 claims description 5
- 229940123208 Biguanide Drugs 0.000 claims description 4
- 150000004283 biguanides Chemical class 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 4
- 238000007654 immersion Methods 0.000 claims description 3
- 229940068917 polyethylene glycols Drugs 0.000 claims description 2
- 238000000527 sonication Methods 0.000 claims description 2
- 230000000844 anti-bacterial effect Effects 0.000 abstract description 10
- 239000000463 material Substances 0.000 abstract description 8
- 230000003373 anti-fouling effect Effects 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 3
- 238000005213 imbibition Methods 0.000 abstract description 2
- 239000004743 Polypropylene Substances 0.000 description 48
- 239000007788 liquid Substances 0.000 description 6
- 241000894006 Bacteria Species 0.000 description 5
- -1 Polypropylene Polymers 0.000 description 5
- 239000003814 drug Substances 0.000 description 5
- 230000000845 anti-microbial effect Effects 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- 229920001155 polypropylene Polymers 0.000 description 4
- 239000002585 base Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- CPKVUHPKYQGHMW-UHFFFAOYSA-N 1-ethenylpyrrolidin-2-one;molecular iodine Chemical compound II.C=CN1CCCC1=O CPKVUHPKYQGHMW-UHFFFAOYSA-N 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 241000588724 Escherichia coli Species 0.000 description 2
- ZRALSGWEFCBTJO-UHFFFAOYSA-N Guanidine Chemical compound NC(N)=N ZRALSGWEFCBTJO-UHFFFAOYSA-N 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 229920000153 Povidone-iodine Polymers 0.000 description 2
- 241000191967 Staphylococcus aureus Species 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000002054 inoculum Substances 0.000 description 2
- 239000002609 medium Substances 0.000 description 2
- 229920001690 polydopamine Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- HNJBEVLQSNELDL-UHFFFAOYSA-N pyrrolidin-2-one Chemical group O=C1CCCN1 HNJBEVLQSNELDL-UHFFFAOYSA-N 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 238000001291 vacuum drying Methods 0.000 description 2
- FAAHNQAYWKTLFD-UHFFFAOYSA-N 1-butan-2-ylpyrrolidin-2-one Chemical compound CCC(C)N1CCCC1=O FAAHNQAYWKTLFD-UHFFFAOYSA-N 0.000 description 1
- 241000193830 Bacillus <bacterium> Species 0.000 description 1
- 241000233866 Fungi Species 0.000 description 1
- 241000726221 Gemma Species 0.000 description 1
- CHJJGSNFBQVOTG-UHFFFAOYSA-N N-methyl-guanidine Natural products CNC(N)=N CHJJGSNFBQVOTG-UHFFFAOYSA-N 0.000 description 1
- 241000399350 Nitrolancea hollandica Lb Species 0.000 description 1
- 239000002262 Schiff base Substances 0.000 description 1
- 150000004753 Schiff bases Chemical class 0.000 description 1
- 206010048038 Wound infection Diseases 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 210000001367 artery Anatomy 0.000 description 1
- 230000010065 bacterial adhesion Effects 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 230000000721 bacterilogical effect Effects 0.000 description 1
- 239000003139 biocide Substances 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 238000007385 chemical modification Methods 0.000 description 1
- 230000000536 complexating effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 239000000645 desinfectant Substances 0.000 description 1
- SWSQBOPZIKWTGO-UHFFFAOYSA-N dimethylaminoamidine Natural products CN(C)C(N)=N SWSQBOPZIKWTGO-UHFFFAOYSA-N 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000001963 growth medium Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 231100000053 low toxicity Toxicity 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 230000001575 pathological effect Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229960001621 povidone-iodine Drugs 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
- 230000029663 wound healing Effects 0.000 description 1
Classifications
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/07—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with halogens; with halogen acids or salts thereof; with oxides or oxyacids of halogens or salts thereof
- D06M11/09—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with halogens; with halogen acids or salts thereof; with oxides or oxyacids of halogens or salts thereof with free halogens or interhalogen compounds
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/356—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of other unsaturated compounds containing nitrogen, sulfur, silicon or phosphorus atoms
- D06M15/3562—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of other unsaturated compounds containing nitrogen, sulfur, silicon or phosphorus atoms containing nitrogen
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/53—Polyethers
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M16/00—Biochemical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. enzymatic
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/18—Synthetic fibres consisting of macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/20—Polyalkenes, polymers or copolymers of compounds with alkenyl groups bonded to aromatic groups
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
- D06M2200/01—Stain or soil resistance
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Microbiology (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention discloses the preparation methods of a kind of anti-pollution, sterilization MODIFIED PP non-woven fabrics, three techniques mainly are arranged by primary modified, twice-modified and sterilization to PP non-woven fabrics, non-woven fabrics of the invention has good antifouling, bactericidal property, its toughness, stretch capability are preferable, preferable water imbibition is had both simultaneously, materials safety of the present invention is reliable, simple process and with rear no pollution to the environment, it is degradable, with good application prospect.
Description
Technical field
The invention belongs to field of nonwoven fabric technology, and in particular to a kind of anti-pollution, the preparation method for sterilizing MODIFIED PP non-woven fabrics.
Background technique
Polypropylene non-woven fabric is the non-woven cloth that melt polypropylene spinneret is formed.Because its structural arrangement is good, the ultra-fine quilt of fiber
It is widely used as high efficiency filter material.In isolation technics, non-woven fabrics is widely studied as a kind of important porous fibre.
But since polypropylene fibre is typical hydrophobic material, the wetability of polypropylene filter medium is poor when liquid filters, and liquid is not
It can sufficiently flow, only local filtration material plays a role in filtering at this time but it is that a kind of typical nonpolarity, hydrophobicity height are poly-
Fibres, it is necessary to specific functionality could be assigned by chemical modification, use value is improved and expands application field, it is therein
Graft modification is one of common method of modifying of polymer.
Medical adhesive-bonded fabric dressing has porosity high, gas permeability and hygroscopicity is excellent, flexibility and comfort are good, in clinic
Upper extensive use.In wound healing process, damaged skin is easy to be infected by bacterial, cause deteriorate, change arteries and veins operative failure,
Even death.Because changing dressing there is preferable antibacterialization wound infection can be prevented extremely important, but used at present deposited
Material is not able to satisfy the requirement of antibacterial mostly.
Polyvinylpyrrolidone (PVP) has been widely used in terms of medical treatment, medicine.Polyethylene for clinical medicine
PVP-I povidone-iodine (PVP-I), also known as povidone iodine, are a kind of sterilizing, disinfectant, have efficiently, wide spectrum, low toxicity, it is non-stimulated,
Not volatile, readily soluble, advantage that stability is high in water.The externally applied drugs such as aqueous solution, paste or amorphous powder are usually made into,
Or it is adsorbed on substrate and uses.Such as organic and inorganic in nature and medicine and tissue are had both all using pyrrolidone structure
There is this feature of compatibility, using polyvinylpyrrolidone aqueous solution as non-toxic alternative blood, Polyvinyl Pyrrolidone-Iodine complex compound be made,
It can be used as biocide, applied to the pathological conditions etc. for generating fungi in surgical scrub and control plant.It is grafted about PP non-woven fabrics
The research of PVP monomer has not been reported at home and abroad.
Summary of the invention
According to the above-mentioned deficiencies of the prior art, the technical problem to be solved by the present invention is to propose that a kind of anti-pollution, sterilization change
Property PP non-woven fabrics preparation method, by the way that PP non-woven fabrics is immersed in dopamine and polyvinylpyrrolidone mixed solution first,
It forms it into hydrogen bond and is connected to nonwoven surface deposition, then utilize poly-dopamine and PEG-NH2It is anti-to assign non-woven fabrics for reaction
Dirty performance recycles polyvinylpyrrolidone and iodine to be complexed, makes it have bactericidal effect, finally carry out antibiotic finish again, make it
Bactericidal property is further promoted, and solves the problems, such as that PP non-woven fabrics anti-pollution, bactericidal properties are poor.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention are as follows:
A kind of anti-pollution, the preparation method for sterilizing MODIFIED PP non-woven fabrics, comprising the following steps:
(1) PP base fabric is ultrasonically treated in water, acetone, ethyl alcohol, surface impurity of going out respectively, is placed in baking oven dry；
(2) it prepares buffer solution: trishydroxymethylaminomethane and concentrated hydrochloric acid solution being taken to be uniformly mixed；
(3) dopamine, polyvinylpyrrolidone are dissolved in buffer solution respectively by any mass ratio, are stirred, mixing
It is uniform to obtain mixed liquor；
(4) primary modified: dried PP non-woven fabrics to be immersed in mixed liquor, dipping terminates, then is placed on deionized water
Middle immersion, to remove dopamine, the polyvinylpyrrolidone of surface adhesion, room temperature in vacuo is dry, obtains a MODIFIED PP non-woven fabrics；
(5) twice-modified: to pipette Amino End Group polyethylene glycol and be dissolved in buffer, then soak a MODIFIED PP non-woven fabrics
Stain wherein, puts impregnate in deionized water after the reaction was completed, and to remove the Amino End Group polyethylene glycol of surface adhesion, room temperature in vacuo is dry
It is dry, obtain twice-modified PP non-woven fabrics；
(6) iodine is modified: twice-modified PP non-woven fabrics being immersed to the ethanol solution of iodine, dipping terminates, and removing is dried in room temperature
Solvent, then be placed in normal heptane and impregnate, to remove the iodine of surface adhesion, room temperature is dried, and obtains iodine MODIFIED PP non-woven fabrics；
(7) it prepares finishing fluid: preparing silicone Quaternary Ammonium Salt Antimicrobial Agent finishing fluid respectively, nano silver antimicrobials finishing fluid is double
Guanidine organic antibacterial agent finishing fluid；
(8) antibiotic finish: using second dipping and rolling technique, arrange respectively to nonwoven cloth specimen, and the cloth specimen after padding carries out
It bakes, after baked, cloth specimen tiling closing storage is to get anti-pollution, sterilization MODIFIED PP non-woven fabrics.
Preferably, base fabric is the PP non-woven fabrics without any function treatment in the step (1), with a thickness of 0.2-0.3mm,
Sonication treatment time is 10-15min, and oven temperature is 30-40 DEG C, drying time 20-26h；
Preferably, the concentration of concentrated hydrochloric acid is 36-38%, dopamine, polyethylene in step (3) in the step (2)
The concentration of pyrrolidone solution is 2mg/ml.
Preferably, the temperature of mixed liquor is 30-40 DEG C in the step (4), and immersing the time is for 24 hours, to soak in deionized water
The bubble time is 4-6h.
Preferably, the amount of pipetting of step (5) the middle-end amino-polyethyleneglycols is 300-500ml, concentration 1mg/ml, is delayed
The temperature of fliud flushing is 45-55 DEG C, and the immersion time is 10-14h, and soaking time is 4-6h in deionized water.
Preferably, the mass percent of iodine is 5% in the ethanol solution of step (6) iodine, solution temperature 55-65
DEG C, time 20-24h is immersed, soaking time is for 24 hours in normal heptane.
Preferably, the concentration of antibiotic finishing solution is 5-10g/L in the step (7), bleeding agent in each antibiotic finishing solution
The mass concentration of JFC is 3-6g/L.
Preferably, baking temperature is 120-130 DEG C, time 8-12min in the step (8), is used during baking
The fixed device control cloth specimen size of cloth specimen size does not change.
The medicine have the advantages that
1. the present invention is using dopamine, the autohemagglutination under alkalescence environment synthesizes poly-dopamine, is easy to be adhered to various substrate materials
The advantage expected and can be further modified, first mixes dopamine with polyvinylpyrrolidone, and it is common to form it into ammonia key connection
PP nonwoven surface is deposited to, then by PEG-NH2Non-woven fabrics table is chemically grafted to by Michael's addition or schiff base reaction
Face assigns non-woven fabrics antifouling property, then iodine and polyvinylpyrrolidone is complexed, and so that material is had preferable bactericidal property, supports
While resisting a large amount of bacterial adhesions, moreover it is possible to the bacterium that sterilization adheres to individually, then antibiotic finish is carried out, keep its bactericidal property further
It is promoted, keeps preferable antibacterial effect.And the complexing for being proved iodine has no effect on the antifouling effect of polyethylene glycol.
2. being added to penetrating agent JFC in non-woven fabrics of the invention, the wettability of cloth specimen is improved, finally also uses 3 kinds
Antibacterial agent carries out antibiotic finish to non-woven fabrics, carries out test discovery non-woven fabrics to Escherichia coli, staphylococcus aureus, gemma bar
The bactericidal property of bacterium is best, while antistatic property is also promoted.
3. non-woven fabrics of the invention has good antifouling, bactericidal property, toughness, stretch capability are preferable, have both simultaneously
Preferable water imbibition, while materials safety of the present invention is reliable, simple process and with rear no pollution to the environment is degradable, have compared with
Good application prospect.
Specific embodiment
It below by the description to embodiment, is described in further detail, to help those skilled in the art to this hair
Bright inventive concept, technical solution have more complete, accurate and deep understanding.
Embodiment 1
(1) 10min will be ultrasonically treated in water, acetone, ethyl alcohol respectively for the PP non-woven fabrics without any function treatment, out
Surface impurity is removed, drying in baking oven is placed in, oven temperature is 30 DEG C, drying time 20h；
(2) it prepares buffer solution: trishydroxymethylaminomethane and concentration being taken to be uniformly mixed for 36% concentrated hydrochloric acid solution；
(3) in mass ratio it is that 1:5 is dissolved in buffer solution respectively by dopamine, polyvinylpyrrolidone, is stirred
Uniformly, the mixed liquor that concentration is 2mg/ml is made；
(4) primary modified: dried PP non-woven fabrics to be immersed in mixed liquor, temperature is 30 DEG C, immerses the time and is
For 24 hours, dipping terminates, then puts and impregnate 4h in deionized water, to remove dopamine, the polyvinylpyrrolidone of surface adhesion, in
It is dried in vacuo at 25-30 DEG C, obtains a MODIFIED PP non-woven fabrics；
(5) twice-modified: to pipette 300ml, concentration is that the Amino End Group polyethylene glycol of 1mg/ml is dissolved in buffer, is buffered
The temperature of liquid is 50 DEG C, then a MODIFIED PP non-woven fabrics is impregnated 10h wherein, is put into deionized water soaks after the reaction was completed
4h is steeped, to remove the Amino End Group polyethylene glycol of surface adhesion, room temperature in vacuo is dry, obtains twice-modified PP non-woven fabrics；
(6) iodine is modified: twice-modified PP non-woven fabrics being immersed to the ethanol solution of 5wt% iodine, solution temperature is 55 DEG C, is immersed
Time 20h, dipping terminate, and removing solvent is dried in room temperature, then are placed in normal heptane and impregnate for 24 hours, to remove the iodine of surface adhesion,
Room temperature is dried, and iodine MODIFIED PP non-woven fabrics is obtained；
(7) prepare finishing fluid: compound concentration is the silicone Quaternary Ammonium Salt Antimicrobial Agent finishing fluid of 5g/L respectively, and nano silver is anti-
Microbial inoculum finishing fluid, biguanides organic antibacterial agent finishing fluid, the mass concentration of penetrating agent JFC is 3g/L in each antibiotic finishing solution.
(8) antibiotic finish: using second dipping and rolling technique, arrange respectively to nonwoven cloth specimen, and the cloth specimen after padding carries out
It bakes, baking temperature is 120 DEG C, time 12min, during baking not using the fixed device control cloth specimen size of cloth specimen size
It changes.After baked, cloth specimen tiling closing storage is to get anti-pollution, sterilization MODIFIED PP non-woven fabrics.
For former PP non-woven fabrics due to the hydrophobicity of essence, contact angle is about 123 °, and contact angle is about 43 ° after being modified.
Embodiment 2
(1) 12min will be ultrasonically treated in water, acetone, ethyl alcohol respectively for the PP non-woven fabrics without any function treatment, out
Surface impurity is removed, drying in baking oven is placed in, oven temperature is 35 DEG C, and drying time is for 24 hours；
(2) it prepares buffer solution: trishydroxymethylaminomethane and concentration being taken to be uniformly mixed for 38% concentrated hydrochloric acid solution；
(3) dopamine, polyvinylpyrrolidone are dissolved in buffer solution respectively by 5:1 mass ratio, are stirred
It is even, the mixed liquor that concentration is 2mg/ml is made；
(4) primary modified: dried PP non-woven fabrics to be immersed in mixed liquor, temperature is 35 DEG C, immerses the time and is
For 24 hours, dipping terminates, then puts and impregnate 5h in deionized water, to remove dopamine, the polyvinylpyrrolidone of surface adhesion, room
Temperature vacuum drying, obtains a MODIFIED PP non-woven fabrics；
(5) twice-modified: to pipette 500ml, concentration is that the Amino End Group polyethylene glycol of 1mg/ml is dissolved in buffer, is buffered
The temperature of liquid is 50 DEG C, then a MODIFIED PP non-woven fabrics is impregnated 10h wherein, is put into deionized water soaks after the reaction was completed
5h is steeped, to remove the Amino End Group polyethylene glycol of surface adhesion, room temperature in vacuo is dry, obtains twice-modified PP non-woven fabrics；
(6) iodine is modified: twice-modified PP non-woven fabrics being immersed to the ethanol solution of 5wt% iodine, solution temperature is 60 DEG C, is immersed
Time 22h, dipping terminate, and removing solvent is dried in room temperature, then are placed in normal heptane and impregnate for 24 hours, to remove the iodine of surface adhesion,
Room temperature is dried, and iodine MODIFIED PP non-woven fabrics is obtained；
(7) prepare finishing fluid: compound concentration is the silicone Quaternary Ammonium Salt Antimicrobial Agent finishing fluid of 8g/L respectively, and nano silver is anti-
Microbial inoculum finishing fluid, biguanides organic antibacterial agent finishing fluid, the mass concentration of penetrating agent JFC is 4g/L in each antibiotic finishing solution.
(8) antibiotic finish: using second dipping and rolling technique, arrange respectively to nonwoven cloth specimen, and the cloth specimen after padding carries out
It bakes, baking temperature is 130 DEG C, time 8min, during baking not using the fixed device control cloth specimen size of cloth specimen size
It changes.After baked, cloth specimen tiling closing storage is to get anti-pollution, sterilization MODIFIED PP non-woven fabrics.
For former PP non-woven fabrics due to the hydrophobicity of essence, contact angle is about 123 °, and contact angle is about 40 ° after being modified.
Embodiment 3
(1) 15min will be ultrasonically treated in water, acetone, ethyl alcohol respectively for the PP non-woven fabrics without any function treatment, out
Surface impurity is removed, drying in baking oven is placed in, oven temperature is 40 DEG C, and drying time is for 24 hours；
(2) it prepares buffer solution: trishydroxymethylaminomethane and concentration being taken to be uniformly mixed for 38% concentrated hydrochloric acid solution；
(3) dopamine, polyvinylpyrrolidone are dissolved in buffer solution respectively by 10:1 mass ratio, are stirred
It is even, the mixed liquor that concentration is 2mg/ml is made；
(4) primary modified: dried PP non-woven fabrics to be immersed in mixed liquor, temperature is 40 DEG C, immerses the time and is
For 24 hours, dipping terminates, then puts and impregnate 6h in deionized water, to remove dopamine, the polyvinylpyrrolidone of surface adhesion, room
Temperature vacuum drying, obtains a MODIFIED PP non-woven fabrics；
(5) twice-modified: to pipette 500ml, concentration is that the Amino End Group polyethylene glycol of 1mg/ml is dissolved in buffer, is buffered
The temperature of liquid is 55 DEG C, then a MODIFIED PP non-woven fabrics is impregnated 14h wherein, is put into deionized water soaks after the reaction was completed
6h is steeped, to remove the Amino End Group polyethylene glycol of surface adhesion, room temperature in vacuo is dry, obtains twice-modified PP non-woven fabrics；
(6) iodine is modified: twice-modified PP non-woven fabrics being immersed to the ethanol solution of 5wt% iodine, solution temperature is 65 DEG C, is immersed
Time, dipping terminated for 24 hours, and removing solvent is dried in room temperature, then was placed in normal heptane and impregnates for 24 hours, to remove the iodine of surface adhesion,
Room temperature is dried, and iodine MODIFIED PP non-woven fabrics is obtained；
(7) prepare finishing fluid: compound concentration is the silicone Quaternary Ammonium Salt Antimicrobial Agent finishing fluid of 10g/L, nano silver respectively
Antibacterial agent finishing fluid, biguanides organic antibacterial agent finishing fluid, the mass concentration of penetrating agent JFC is 6g/ in each antibiotic finishing solution
L。
(8) antibiotic finish: using second dipping and rolling technique, arrange respectively to nonwoven cloth specimen, and the cloth specimen after padding carries out
It bakes, baking temperature is 130 DEG C, time 8min, during baking not using the fixed device control cloth specimen size of cloth specimen size
It changes.After baked, cloth specimen tiling closing storage is to get anti-pollution, sterilization MODIFIED PP non-woven fabrics.
For former PP non-woven fabrics due to the hydrophobicity of essence, contact angle is about 123 °, and contact angle is about 39 ° after being modified.
Anti-microbial property test is carried out to the resulting non-woven fabrics of embodiment 1-3.
37 DEG C of bacteriological incubator preheatings, by Escherichia coli, staphylococcus aureus, bacillus respectively in LB solid culture
37 DEG C of cultures for 24 hours, then take strain into 70mLLB fluid nutrient medium with oese on base, and 37 DEG C of constant-temperature tables are incubated overnight,
After bacterium solution 3000rpm is centrifuged 10min, supernatant is poured out, PBS is added, being made into concentration is 106The bacterium PBS of cells/mL is molten
Liquid, or LB culture medium is added, being made into concentration is 108The bacterium LB solution of cells/mL.By the resulting non-woven fabrics leaching of embodiment 1-3
Enter in 5mLPBS solution (concentration 106Cells/mL), cultivated for 24 hours on 37 DEG C of shaking tables, finally observe viable count and the life of bacterium
Long situation, such as table 1.
1 non-woven fabrics anti-microbial property test of table
The present invention is exemplarily described above, it is clear that present invention specific implementation is not subject to the restrictions described above,
As long as using the improvement for the various unsubstantialities that the inventive concept and technical scheme of the present invention carry out, or not improved this is sent out
Bright conception and technical scheme directly apply to other occasions, within the scope of the present invention.Protection of the invention
Range should be determined by the scope of protection defined in the claims.
Claims (8)
1. a kind of anti-pollution, the preparation method for sterilizing MODIFIED PP non-woven fabrics, which comprises the following steps:
(1) PP base fabric is ultrasonically treated in water, acetone, ethyl alcohol, surface impurity of going out respectively, is placed in baking oven dry；
(2) it prepares buffer solution: trishydroxymethylaminomethane and concentrated hydrochloric acid solution being taken to be uniformly mixed；
(3) dopamine, polyvinylpyrrolidone are dissolved in buffer solution respectively by any mass ratio, are stirred, is uniformly mixed
Obtain mixed liquor；
(4) primary modified: dried PP non-woven fabrics to be immersed in mixed liquor, dipping terminates, then puts and soak in deionized water
Bubble, to remove dopamine, the polyvinylpyrrolidone of surface adhesion, room temperature in vacuo is dry, obtains a MODIFIED PP non-woven fabrics；
(5) twice-modified: to pipette Amino End Group polyethylene glycol and be dissolved in buffer, a MODIFIED PP non-woven fabrics is then impregnated it
In, it puts impregnate in deionized water after the reaction was completed, to remove the Amino End Group polyethylene glycol of surface adhesion, room temperature in vacuo is dry,
Obtain twice-modified PP non-woven fabrics；
(6) iodine is modified: twice-modified PP non-woven fabrics is immersed to the ethanol solution of iodine, dipping terminates, and removing solvent is dried in room temperature,
It is placed in normal heptane and impregnates again, to remove the iodine of surface adhesion, room temperature is dried, and obtains iodine MODIFIED PP non-woven fabrics；
(7) it prepares finishing fluid: preparing silicone Quaternary Ammonium Salt Antimicrobial Agent finishing fluid, nano silver antimicrobials finishing fluid, biguanides respectively
Organic antibacterial agent finishing fluid；
(8) antibiotic finish: using second dipping and rolling technique, arrange respectively to nonwoven cloth specimen, and the cloth specimen after padding is baked,
After baked, cloth specimen tiling closing storage is to get anti-pollution, sterilization MODIFIED PP non-woven fabrics.
2. a kind of anti-pollution according to claim 1, the preparation method for sterilizing MODIFIED PP non-woven fabrics, which is characterized in that described
Base fabric is the PP non-woven fabrics without any function treatment in step (1), with a thickness of 0.2-0.3mm, sonication treatment time 10-
15min, oven temperature are 30-40 DEG C, drying time 20-26h.
3. a kind of anti-pollution according to claim 1, the preparation method for sterilizing MODIFIED PP non-woven fabrics, which is characterized in that described
The concentration of concentrated hydrochloric acid is 36-38% in the step (2), and dopamine, the concentration of polyvinylpyrrolidonesolution solution are equal in step (3)
For 2mg/ml.
4. a kind of anti-pollution according to claim 1, the preparation method for sterilizing MODIFIED PP non-woven fabrics, which is characterized in that described
The temperature of mixed liquor is 30-40 DEG C in step (4), and immersing the time is that for 24 hours, soaking time is 4-6h in deionized water.
5. a kind of anti-pollution according to claim 1, the preparation method for sterilizing MODIFIED PP non-woven fabrics, which is characterized in that described
The amount of pipetting of step (5) middle-end amino-polyethyleneglycols is 300-500ml, and concentration 1mg/ml, the temperature of buffer is 45-55
DEG C, the immersion time is 10-14h, and soaking time is 4-6h in deionized water.
6. a kind of anti-pollution according to claim 1, the preparation method for sterilizing MODIFIED PP non-woven fabrics, which is characterized in that described
The mass percent of iodine is 5% in the ethanol solution of step (6) iodine, and solution temperature is 55-65 DEG C, immerses time 20-24h, just
Soaking time is for 24 hours in heptane.
7. a kind of anti-pollution according to claim 1, the preparation method for sterilizing MODIFIED PP non-woven fabrics, which is characterized in that described
The concentration of antibiotic finishing solution is 5-10g/L in step (7), and the mass concentration of penetrating agent JFC is 3- in each antibiotic finishing solution
6g/L。
8. a kind of anti-pollution according to claim 1, the preparation method for sterilizing MODIFIED PP non-woven fabrics, which is characterized in that described
Baking temperature is 120-130 DEG C, time 8-12min in step (8), using the fixed device control of cloth specimen size during baking
Cloth specimen size does not change.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111235884A (en) * | 2020-02-28 | 2020-06-05 | 稳健医疗（黄冈）有限公司 | Antibacterial finishing agent, antibacterial all-cotton spunlace non-woven fabric and product thereof |
| CN115125730A (en) * | 2022-08-01 | 2022-09-30 | 湖南佑华医疗用品有限公司 | Isolation clothes with high protective performance and preparation method thereof |
| CN115251497A (en) * | 2022-08-24 | 2022-11-01 | 浙江圣蓝新材科技有限公司 | Mask with low-resistance melt-blown interlayer and preparation process thereof |
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| CN103041721A (en) * | 2012-12-27 | 2013-04-17 | 浙江大学 | Surface modification method for polymer separation membrane |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111235884A (en) * | 2020-02-28 | 2020-06-05 | 稳健医疗（黄冈）有限公司 | Antibacterial finishing agent, antibacterial all-cotton spunlace non-woven fabric and product thereof |
| CN115125730A (en) * | 2022-08-01 | 2022-09-30 | 湖南佑华医疗用品有限公司 | Isolation clothes with high protective performance and preparation method thereof |
| CN115251497A (en) * | 2022-08-24 | 2022-11-01 | 浙江圣蓝新材科技有限公司 | Mask with low-resistance melt-blown interlayer and preparation process thereof |
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